EASY
CAT
IMPORTANT
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Forty persons can finish a piece of work in 60 days. If 40 persons start the work and at the end of every 10 days 40 more persons of the same efficiency join them, then how long will it take for the work to be completed?

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Important Questions on Arithmetic

EASY
CAT
IMPORTANT
Quantitative Aptitude for the CAT>Chapter 2 - Arithmetic>Practice Exercises>Q 19
A group of 18 men and 12 women can do a piece of work in 18 days. A woman takes twice as much time as a man to do the work. How many days will 8 men take to finish the same work?
MEDIUM
CAT
IMPORTANT
Quantitative Aptitude for the CAT>Chapter 2 - Arithmetic>Practice Exercises>Q 20
A team has a food stock for N number of days. After 20 days, one-fourth of the team quits and the food lasted for another N number of days for the remaining persons in the team. What is the value of N ?
MEDIUM
CAT
IMPORTANT
Quantitative Aptitude for the CAT>Chapter 2 - Arithmetic>Practice Exercises>Q 1
To complete a work, A and B take 30 days, B and C take 24 days, and C and A take 20 days. They all start together and work for 5 days after which B and C leave. How many more days will A take to finish the remaining work?
MEDIUM
CAT
IMPORTANT
Quantitative Aptitude for the CAT>Chapter 2 - Arithmetic>Practice Exercises>Q 2
A water tank normally takes 7h to be filled by a tap but because of the leak, it takes another 2h. In how many hours will the leak empty a full water tank?
MEDIUM
CAT
IMPORTANT
Quantitative Aptitude for the CAT>Chapter 2 - Arithmetic>Practice Exercises>Q 3
The wages of 10 men and 8 boys amount to₹ 37. If 4 men together receive ₹1 more than 6 boys, what are the wages of each man and boy, respectively?
MEDIUM
CAT
IMPORTANT
Quantitative Aptitude for the CAT>Chapter 2 - Arithmetic>Practice Exercises>Q 4
Fourteen machines can produce 500 units in 12h. After 4h of production, two more machines were started. How many more hours will it take to complete the production of 500 units?
MEDIUM
CAT
IMPORTANT
Quantitative Aptitude for the CAT>Chapter 2 - Arithmetic>Practice Exercises>Q 5
Pramod can do two-fifth of the work in 8 days and Binod can finish the remainder in 18 days. How long would they take to finish it together?
EASY
CAT
IMPORTANT
Quantitative Aptitude for the CAT>Chapter 2 - Arithmetic>Practice Exercises>Q 6
A cistern can be filled separately by two pipes P and Q in 45 min and 35 min, respectively. A tap R at the bottom can empty the full cistern in 30 min. If the tap R is opened 7min after the two pipes P and Q are opened then after what time from the opening of pipe P and Q the cistern becomes full?